If you meet the requirements to be your dad's dependent then your dad can claim you on his tax return. Please see the FAQ who can be claimed as a dependent below. If your dad can claim you then you need to mark in TurboTax that you can be claimed as a dependent. Please follow these instructions:
- Login to your TurboTax Account
- Click "Take Me To My Return"
- Click "My Info" from the left side of your screen
- Click “Edit” next to your name
- Please scroll down to “3. A few other things we need to know” and check "Yes" under “Someone else can claim me as a dependent on their tax return”
https://ttlc.intuit.com/replies/5187060